The vacationing Chipmunks and Chipettes are turning a luxury cruise liner into their personal playground, until they become 'chipwrecked' on a remote island. As the 'Munks and Chipettes try various schemes to find their way home, they accidentally discover their new turf is not as deserted as it seems.

Feisty, fearless Judy Moody is looking forward to the most super-duper, double-rare summer vacation ever. The trouble is, her parents are called out of town and her BFFs are going away with their own families. That leaves Judy trapped at home with her pesky brother Stink under the watchful eye of Aunt Opal. But with a little playful planning, and a lot of imagination, Judy turns a snoresville summer into the way-not-boring adventure of a lifetime!...